What is the ampacity of 2 #10 conductors in tandem at 220V AC?

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What is the ampacity of 2 #10 conductors in tandem at 220V AC?

I want to find out if it is possible to use the 4 existing #10's that run off of a pair of two pole 30 amp 220V AC tandem breakers to run a 54 Amp load from a single 60 amp tandem breaker... two #10 conductors for each hot lead off of the new breaker... Has to do with switching to a new tankless water heater from an old one.

2006-11-19 21:57:32 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Engineering

1 answers

The table on this web page will give you the answer
http://www.powerstream.com/Wire_Size.htm

2006-11-19 22:46:42 · answer #1 · answered by Marianna 6 · 0⤊ 0⤋